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CVE-2021-3027

Estado: ModificadaMedia (6.5)—

El archivo app/views_mod/user/user.py en LibrIT PaSSHport hasta versión 2.5, está afectado por una inyección de LDAP. Un filtrado de información se presenta por el procesamiento de consultas especiales, escapando del filtro de búsqueda proporcionado debido a que la entrada del usuario no es saneada.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Librit — Passhport

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-3027",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-03-26T03:16:40.647",
  "references": [
    {
      "url": "https://github.com/LibrIT/passhport/commit/366b03f607729c4538e91b634ecc57c8398522a1",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/LibrIT/passhport/pull/562",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://jorgectf.gitlab.io/disclosure/cve-2021-3027/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/LibrIT/passhport/commit/366b03f607729c4538e91b634ecc57c8398522a1",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/LibrIT/passhport/pull/562",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://jorgectf.gitlab.io/disclosure/cve-2021-3027/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "app/views_mod/user/user.py in LibrIT PaSSHport through 2.5 is affected by LDAP Injection. There is an information leak through the crafting of special queries, escaping the provided search filter because user input gets no sanitization."
    },
    {
      "lang": "es",
      "value": "El archivo app/views_mod/user/user.py en LibrIT PaSSHport hasta versión 2.5, está afectado por una inyección de LDAP. Un filtrado de información se presenta por el procesamiento de consultas especiales, escapando del filtro de búsqueda proporcionado debido a que la entrada del usuario no es saneada."
    }
  ],
  "lastModified": "2026-06-17T04:04:35.207",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:librit:passhport:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "80FB2365-DFD9-46AA-B636-FD4E4AAC0D6A",
              "versionEndIncluding": "2.5"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}